Home / 887,003.90-1,330,505.85-437,794.10

Finding the Fourth Proportional to 887,003.90, 1,330,505.85 and 437,794.10

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Solution

The fourth proportional to 887,003.90, 1,330,505.85 and 437,794.10 is: 656,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,003.90 : 1,330,505.85 = 437,794.10 : x
  2. Step 2: Convert to fraction form
    887,003.90/1,330,505.85 = 437,794.10/x
  3. Step 3: Cross multiply
    887,003.90x = 1,330,505.85 × 437,794.10
  4. Step 4: Simplify right side
    887,003.90x = 582,487,611,145.49
  5. Step 5: Solve for x
    x = 582,487,611,145.49/887,003.90
  6. Step 6: Final answer
    x = 656,691.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.